Is M30.3 a billable ICD-10 code?

Yes. M30.3 (Mucocutaneous lymph node syndrome [Kawasaki]) is billable and can be used for insurance claims. Always verify payer-specific requirements.

M30.3 ✓ Billable

Mucocutaneous lymph node syndrome [Kawasaki]

Q: What is ICD-10 code M30.3?

ICD-10-CM code M30.3 stands for "Mucocutaneous lymph node syndrome [Kawasaki]". It is a billable code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue

Code

M30.3

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Diseases of the Musculoskeletal System and Connective Tissue

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code M30.3?

ICD-10-CM code M30.3 represents Mucocutaneous lymph node syndrome [Kawasaki]. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.

Is M30.3 billable?

Yes. M30.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is M30.3 in?

M30.3 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.

Related codes in the M30 category

M30 Polyarteritis nodosa and related conditions Non-billable M30.0 Polyarteritis nodosa Billable M30.1 Polyarteritis with lung involvement [Churg-Strauss] Billable M30.2 Juvenile polyarteritis Billable M30.8 Other conditions related to polyarteritis nodosa Billable

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